CN101892336A - Coal-gas recovering process and device of charging, equalizing and bleeding of blast furnace - Google Patents
Coal-gas recovering process and device of charging, equalizing and bleeding of blast furnace Download PDFInfo
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- CN101892336A CN101892336A CN2010102090165A CN201010209016A CN101892336A CN 101892336 A CN101892336 A CN 101892336A CN 2010102090165 A CN2010102090165 A CN 2010102090165A CN 201010209016 A CN201010209016 A CN 201010209016A CN 101892336 A CN101892336 A CN 101892336A
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Abstract
The invention relates to coal-gas recovering process and device of charging, equalizing and bleeding of a blast furnace. The coal-gas recovering process comprises the following steps that: crude gas equalized and bled from a discharge tank of a blast furnace charging system enters into a furnace top coal gas noise reduction cyclone dust remover via a bleeding pipe; a cut off valve arranged at the furnace top coal noise reduction cyclone dust remover is closed, and a half-cleaned coal gas cut off valve is opened; half-cleaned coal gas formed by the primary dust removal of the crude coal gas via the furnace top coal gas noise reduction cyclone dust remover enters into a bag dust remover via a pipeline and the half-cleaned coal cut off valve; cleaned coal gas dedusted by the bag dust remover enters into a coal gas pipe network, and dust collected by the bag dust remover is conveyed to a dust recovering system for reutilization via a dust discharge outlet, a dust discharge valve and a dust delivery pipeline. The invention has the advantages of simple recovering process and device and easy operation; with the process, not only harmful gas during charging, equalizing and bleeding can be effectively recovered, but also emission of greenhouse gases is reduced; and the invention has significant economic benefits and social benefits.
Description
Technical field
The invention belongs to a kind of blast furnace gas draining technology field, particularly relate to a kind of coal-gas recovering technology and device thereof of shaft furnace charging pressure-equalizing and discharging process.
Background technology
Will in State of Blast Furnace, constantly pack in the blast furnace production process agglomerate, natural fast ore deposit, assorted ore deposit and coke, and blast furnace is a high temperature and high pressure containers, the material of being packed in the stove by furnace roof normal pressure system has a non-pressurized converting system of high pressure, this converting system be by furnace roof the unlatching of big upper bell is set or do not have upper and lower seal valve switch in the upper and lower batch can of bell furnace roof by the feeding system interlocking automatically controlled and programing system realize.The working system of hopper and blanking tank be in the stove during cloth blanking tank hopper be pressurized to when equating with furnace pressure, open lower seal valve and baiting valve and bell, material is distributed in the stove, behind the intact material of cloth great bell baiting valve and lower seal valve are closed tight, the blanking tank internal pressure is drained into and the atmosphere equal pressure, all the time be under normal pressure (at the barometric point) state blanking tank that material packed at last batch can or elevating hopper, close material loading valve and upper sealing valve behind the charged, then pressurising in blanking tank or the big hopper again, pressurising is with half purified gas or nitrogen.When the batch can row pressure is diffused, coal gas in the blanking tank and nitrogen etc. all diffuse in the atmosphere through stock gas noise reduction tornado dust collector top by diffusing pipeline and valve, and the low amounts of dust that coal gas noise reduction tornado dust collector in top reclaim is blown into blanking tank once more in the pressurising process, this diffuses process and has not only wasted the energy, but also has caused serious pollution.Blast furnace gas is a kind of low-calorie gas energy, and is toxic and harmful.For example produce 5000000 tons of pig iron factories per year for one, only this item diffused the about 5000-7500 ten thousand stere of blast furnace gas in 1 year, and the calorific value of every cubic metre of blast furnace gas is greatly about 3300Kj/m
3About, wherein main component is: CO, CO
2, N
2, H
2Deng, wherein combustiblecomponents CO accounts for 22-28%, CO
2Content accounts for 18-23%, N
2Account for 54%, H
2With other component content seldom.The concrete Technology that also not do not reclaim of the whole world up to now at the coal gas of charging of blast furnace system pressure-equalizing and discharging process, this gas recovery of diffusing is had energy recovery and the dual function that reduces environmental pollution, also is the great innovation problem that the blast furnace ironmaking worker carries out energy-saving and emission-reduction.
Summary of the invention
The objective of the invention is the deficiency that exists in the above-mentioned existing production technique, a kind of coal-gas recovering technology of shaft furnace charging pressure-equalizing and discharging process is provided, can effectively the coal gas that produces in the shaft furnace charging pressure-equalizing and discharging process be carried out recycling, improve environmental protection, and guarantee that the shaft furnace charging system pressure is stable, safe and reliable.
A further object of the present invention provides a kind of simple in structure, and easy handling is used for the device of the coal-gas recovering technology of shaft furnace charging pressure-equalizing and discharging process.
The objective of the invention is to realize by following technical proposals:
The coal-gas recovering technology of shaft furnace charging pressure-equalizing and discharging process of the present invention is characterized in that:
A. from the raw gas of shaft furnace charging system blanking tank pressure-equalizing and discharging through diffusing pipeline, enter stock gas noise reduction tornado dust collector, close the trip valve that is arranged on stock gas noise reduction tornado dust collector, open half purified gas trip valve, half purified gas that raw gas forms behind stock gas noise reduction tornado dust collector rough dusting, this half clean coal enters sack cleaner through half purified gas gas pipe line and half purified gas trip valve
B. the pipe network trip valve that turns on the gas-fire, the purified gas after the smart dedusting of sack cleaner enters gaspipe network, for user's use, is transported to fume recovery system through cinder-discharging port, unloading valve and ash conveying pipe and utilizes and captured the dust that gets off by sack cleaner.
A kind of device that is used for the coal-gas recovering technology of shaft furnace charging pressure-equalizing and discharging process, comprise the blast furnace blanking tank, the tank connected pipeline that diffuses of blast furnace blanking therewith, diffuse stock gas noise reduction tornado dust collector and half purified gas pressurising pipeline and nitrogen pressurising pipeline that pipeline connects respectively therewith, it is characterized in that being provided with trip valve at the top of described stock gas noise reduction tornado dust collector, be provided with half purified gas air outlet on described stock gas noise reduction tornado dust collector top, this half purified gas air outlet is connected with half purified gas purification system, described half purified gas purification system is by the half purified gas gas pipe line that is connected with half purified gas air outlet, be arranged on half purified gas trip valve on this half purified gas gas pipe line, the sack cleaner that is connected with described half purified gas outlet pipe, the purified gas gas pipe line that connects of sack cleaner blowing mouth therewith, be arranged on the purified gas trip valve on the purified gas gas pipe line, the unloading valve that connects of sack cleaner cinder-discharging port therewith, ash pipeline and electrical control cubicles are formed, described purified gas gas pipe line is connected with gaspipe network, described ash pipeline is connected with fume recovery system, described half purified gas trip valve, the purified gas trip valve is connected with the electrical control cubicles of unloading valve with half purified gas purification system.
Compared with prior art, beneficial effect of the present invention is: owing to set up trip valve and a cover half purified gas purification system in the shaft furnace charging pressure-equalizing and discharging process of the present invention on furnace roof whirlwind sound damper, make and originally diffuse diffusing in the atmosphere, reach qualified back being used as power purified gas is sent into gaspipe network by furnace top pressure with the further smart dedusting of coal gas.The present invention is simple in structure, and easy handling is convenient to safeguard and is installed; Not only reclaim charging, equalizing effectively and diffused obnoxious flavour in the process, but also reduced the discharging of greenhouse gases, alleviated environmental stress, had great economic benefit and social benefit.
The present invention is when carrying out coal-gas recovering to the charging, equalizing process of diffusing, and the operation of the cloth of furnace roof is identical with original schedule of operation, and coal gas carries out in closed system in the removal process, safety, reliable.
Description of drawings
Fig. 1 is the structural representation of the gas recovering device of shaft furnace charging pressure-equalizing and discharging process of the present invention.
Embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with embodiment.
As shown in Figure 1, the coal-gas recovering technology of shaft furnace charging pressure-equalizing and discharging process of the present invention is characterized in that:
A. from the raw gas of shaft furnace charging system blanking tank 2 pressure-equalizing and dischargings through diffusing pipeline 4, enter stock gas noise reduction tornado dust collector 5, close the trip valve 6 that is arranged on stock gas noise reduction tornado dust collector 5, open half purified gas trip valve 15, half purified gas that raw gas forms behind stock gas noise reduction tornado dust collector 5 rough dustings, this half purified gas enters sack cleaner 14 through half purified gas gas pipe line 8 and half purified gas trip valve 15
B. pipe network trip valve 11 turns on the gas-fire, purified gas after the sack cleaner 14 smart dedustings enters gaspipe network 13 through purified gas gas pipe line 12, use for the user, utilize again and be transported to fume recovery system 18 through cinder-discharging port, unloading valve 16 and ash conveying pipe 17 by the dust that sack cleaner 14 captures.
A kind of device that is used for the coal-gas recovering technology of shaft furnace charging pressure-equalizing and discharging process, comprise blast furnace blanking tank 2, blast furnace blanking tank 2 connects therewith diffuses pipeline 4, diffuse stock gas noise reduction tornado dust collector 5 and half purified gas pressurising pipeline 9 and nitrogen pressurising pipeline 10 that pipeline 4 connects respectively therewith, it is characterized in that being provided with trip valve 6 at the top of described stock gas noise reduction tornado dust collector 5, be provided with half purified gas air outlet 7 on described stock gas noise reduction tornado dust collector 5 tops, this half purified gas air outlet 7 is connected with half purified gas purification system, described half purified gas purification system is by the half purified gas gas pipe line 8 that is connected with half purified gas air outlet 7, be arranged on half purified gas trip valve 15 on this half purified gas gas pipe line 8, the sack cleaner 14 that is connected with described half purified gas gas pipe line 8, the purified gas gas pipe line 12 that connects of sack cleaner air outlet therewith, be arranged on the purified gas trip valve 11 on the purified gas gas pipe line 12, the unloading valve 16 that connects of sack cleaner cinder-discharging port therewith, ash pipeline 17 and electrical control cubicles are formed, described purified gas gas pipe line 12 is connected with gaspipe network 13, described ash pipeline 17 is connected with fume recovery system 18, described half purified gas trip valve 15, purified gas trip valve 12 is connected with the electrical control cubicles of unloading valve 16 with half purified gas purification system.
Number in the figure 19 is diffused valve for sack cleaner.Be mainly used in the sack cleaner maintenance.
Principle of work of the present invention is: go up batch can 3 and be pressurized to when equating with the State of Blast Furnace internal pressure when the cloth in State of Blast Furnace of blanking tank 2, open baiting valve and lower seal valve 1, material is distributed in the stove, behind the intact material of cloth baiting valve and lower seal valve 1 are closed, pressure in the blanking tank 2 is drained to the atmosphere equal pressure, be discharged in the stock gas noise reduction tornado dust collector 5 through diffusing pipeline 4 from the raw gas of blanking tank 2 pressure-equalizing and dischargings, close the trip valve 6 that is arranged on stock gas noise reduction tornado dust collector top this moment, this trip valve 6 has been blocked diffusing of coal gas effectively, it is entered be arranged on stock gas noise reduction tornado dust collector back half purified gas purification system, half purified gas purification system is started working, this half purified gas enters sack cleaner 14 through half purified gas outlet pipe 8 and half purified gas trip valve 15, pipe network trip valve 11 turns on the gas-fire, purified gas after the sack cleaner 14 smart dedustings enters gaspipe network 13 through purified gas gas pipe line 12, use for the user, and the dust that is captured by sack cleaner 14 is through cinder-discharging port, unloading valve 16 and ash conveying pipe 17 are transported to fume recovery system 18 and utilize.Because half purified gas trip valve 15 of the present invention, purified gas trip valve 12 are connected with the independent electrical control cubicles of unloading valve 16 with half purified gas purification system, this half purified gas purification system can realize that machine side and remote double are to operation supervise and control.
Adopt the recovery of coal gas of the present invention, reduced effectively, reduced Greenhouse effect, realized the double benefit of energy-saving and emission-reduction atmospheric pollution.With 2580m
3The blast furnace production technique is an example: produce 2100000 tons of meters of the pig iron per year, a 2580m
3Blast furnace per hour diffuses 13～14 times, diffuses raw gas amount 1,496 ten thousand m at every turn
3, diffusing blast furnace gas every year is 2132 * 104m
3, as adopt the coal-gas recovering technology of shaft furnace charging pressure-equalizing and discharging process of the present invention, and can reduce the about 533-640t of coal gas quantity discharged every year, be recoverable facility investment about 8-10 month, can create about more than 200 ten thousand yuan of economic benefit every year.
Claims (2)
1. the coal-gas recovering technology of a shaft furnace charging pressure-equalizing and discharging process is characterized in that:
A. from the raw gas of shaft furnace charging system blanking tank pressure-equalizing and discharging through diffusing pipeline, enter stock gas noise reduction tornado dust collector, close the trip valve that is arranged on stock gas noise reduction tornado dust collector, open half purified gas trip valve, half purified gas that raw gas forms behind stock gas noise reduction tornado dust collector rough dusting, this half purified gas enters sack cleaner through half clean coal gas outlet tube road and half purified gas trip valve
B. the pipe network trip valve that turns on the gas-fire, the purified gas after the smart dedusting of sack cleaner enters gaspipe network, for user's use, is transported to fume recovery system through cinder-discharging port, unloading valve and ash conveying pipe and utilizes and captured the dust that gets off by sack cleaner.
2. device that is used for the coal-gas recovering technology of shaft furnace charging pressure-equalizing and discharging process, comprise the blast furnace blanking tank, the tank connected pipeline that diffuses of blast furnace blanking therewith, diffuse stock gas noise reduction tornado dust collector and half purified gas pressurising pipeline and nitrogen pressurising pipeline that pipeline connects respectively therewith, it is characterized in that being provided with trip valve at the top of described stock gas noise reduction tornado dust collector, be provided with half purified gas air outlet on described stock gas noise reduction tornado dust collector top, this half purified gas air outlet is connected with half purified gas purification system, described half purified gas purification system is by the half purified gas gas pipe line that is connected with half purified gas blowing mouth, be arranged on half purified gas trip valve on this half purified gas gas pipe line, the sack cleaner that is connected with described half purified gas outlet pipe, the purified gas gas pipe line that connects of sack cleaner air outlet therewith, be arranged on the purified gas trip valve on the purified gas gas pipe line, the unloading valve that connects of sack cleaner cinder-discharging port therewith, ash pipeline and electrical control cubicles are formed, described purified gas gas pipe line is connected with gaspipe network, described ash pipeline is connected with fume recovery system, described half purified gas trip valve, the purified gas trip valve is connected with the electrical control cubicles of unloading valve with half purified gas purification system.
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| CN2010102090165A CN101892336A (en) | 2010-06-25 | 2010-06-25 | Coal-gas recovering process and device of charging, equalizing and bleeding of blast furnace |
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| CN2010102090165A CN101892336A (en) | 2010-06-25 | 2010-06-25 | Coal-gas recovering process and device of charging, equalizing and bleeding of blast furnace |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337364A (en) * | 2011-07-20 | 2012-02-01 | 中冶南方工程技术有限公司 | Device for recovering coal gas in equalizing and relieving process of furnace top of blast furnace |
| CN102337363A (en) * | 2011-07-20 | 2012-02-01 | 中冶南方工程技术有限公司 | Process for recovering coal gas in equalizing and relieving process of furnace top of blast furnace in mode of squeezing air bag by roller |
| CN102337366A (en) * | 2011-07-20 | 2012-02-01 | 中冶南方工程技术有限公司 | Roller extrusion air bag type blast furnace top pressure-equalizing bleeding gas recovering device |
| CN102337365A (en) * | 2011-07-20 | 2012-02-01 | 中冶南方工程技术有限公司 | Process for recovering coal gas in equalizing and relieving process of furnace top of blast furnace |
| CN102586520A (en) * | 2012-01-10 | 2012-07-18 | 中冶南方工程技术有限公司 | Method for carrying out voltage-sharing bleeding on furnace top of blast furnace |
| CN102586518A (en) * | 2012-01-10 | 2012-07-18 | 中冶南方工程技术有限公司 | Method for carrying out voltage-sharing bleeding on furnace top of blast furnace by using nitrogen |
| CN102888477A (en) * | 2012-09-28 | 2013-01-23 | 中冶南方工程技术有限公司 | Top even pressure gas recovery device and technology for blast furnace and technology |
| CN102925603A (en) * | 2012-11-05 | 2013-02-13 | 柳州钢铁股份有限公司 | Process and device for recycling pressure-equalizing diffusion gas at blast furnace top |
| CN104263866A (en) * | 2014-09-28 | 2015-01-07 | 中冶华天南京工程技术有限公司 | System and process for purifying and utilizing equalized diffuse gas of blast furnace top charging bucket |
| CN106191353A (en) * | 2016-08-29 | 2016-12-07 | 北京首钢国际工程技术有限公司 | A kind of blast furnace top pressure-equalizing bleeding gas recovering device and using method thereof |
| CN106755671A (en) * | 2016-12-14 | 2017-05-31 | 四川德胜集团钒钛有限公司 | A kind of top gas handling process and its system |
| CN107201417A (en) * | 2017-07-18 | 2017-09-26 | 沈阳红杉科技有限公司 | A kind of full retracting device of blast furnace roof feed pot pressure-equalizing and discharging coal gas and recovery method |
| CN107326134A (en) * | 2017-06-17 | 2017-11-07 | 北京首钢国际工程技术有限公司 | The coal gas pressure-equalizing bleeding device and its application method of pressure vessel multistage dedusting |
| CN111334315A (en) * | 2020-03-31 | 2020-06-26 | 中冶焦耐(大连)工程技术有限公司 | Method for collecting overpressure diffused gas of coke oven gas |
| CN115058552A (en) * | 2022-05-27 | 2022-09-16 | 中冶南方工程技术有限公司 | Method for recovering pressure-equalizing coal gas of blast furnace charging bucket |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2075652U (en) * | 1989-12-26 | 1991-04-24 | 冶金工业部重庆钢铁设计研究院 | Gas forced relaiming device from the top of blast furnace |
| CN1062379A (en) * | 1990-12-15 | 1992-07-01 | 冶金工业部重庆钢铁设计研究院 | Apparatus for enforced recovery of gas exhausted from top of blast furnace |
| CN1334320A (en) * | 2000-07-14 | 2002-02-06 | 攀枝花新钢钒股份有限公司动力厂 | Dry-type process for dusting gas of blast furnace |
| CN1793388A (en) * | 2005-11-18 | 2006-06-28 | 重庆钢铁(集团)有限责任公司 | Tech. of blast furnace gas drying bag dust removing |
| CN101314800A (en) * | 2007-12-13 | 2008-12-03 | 武汉钢铁(集团)公司 | Blast furnace gas cloth bag dedusting process |
| CN201737956U (en) * | 2010-06-25 | 2011-02-09 | 鞍山亨通高炉设备工程技术有限公司 | Recycling device for gas in blast-furnace charging and uniform-pressure diffusing process |
-
2010
- 2010-06-25 CN CN2010102090165A patent/CN101892336A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2075652U (en) * | 1989-12-26 | 1991-04-24 | 冶金工业部重庆钢铁设计研究院 | Gas forced relaiming device from the top of blast furnace |
| CN1062379A (en) * | 1990-12-15 | 1992-07-01 | 冶金工业部重庆钢铁设计研究院 | Apparatus for enforced recovery of gas exhausted from top of blast furnace |
| CN1334320A (en) * | 2000-07-14 | 2002-02-06 | 攀枝花新钢钒股份有限公司动力厂 | Dry-type process for dusting gas of blast furnace |
| CN1793388A (en) * | 2005-11-18 | 2006-06-28 | 重庆钢铁(集团)有限责任公司 | Tech. of blast furnace gas drying bag dust removing |
| CN101314800A (en) * | 2007-12-13 | 2008-12-03 | 武汉钢铁(集团)公司 | Blast furnace gas cloth bag dedusting process |
| CN201737956U (en) * | 2010-06-25 | 2011-02-09 | 鞍山亨通高炉设备工程技术有限公司 | Recycling device for gas in blast-furnace charging and uniform-pressure diffusing process |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337364A (en) * | 2011-07-20 | 2012-02-01 | 中冶南方工程技术有限公司 | Device for recovering coal gas in equalizing and relieving process of furnace top of blast furnace |
| CN102337363A (en) * | 2011-07-20 | 2012-02-01 | 中冶南方工程技术有限公司 | Process for recovering coal gas in equalizing and relieving process of furnace top of blast furnace in mode of squeezing air bag by roller |
| CN102337366A (en) * | 2011-07-20 | 2012-02-01 | 中冶南方工程技术有限公司 | Roller extrusion air bag type blast furnace top pressure-equalizing bleeding gas recovering device |
| CN102337365A (en) * | 2011-07-20 | 2012-02-01 | 中冶南方工程技术有限公司 | Process for recovering coal gas in equalizing and relieving process of furnace top of blast furnace |
| CN102586520B (en) * | 2012-01-10 | 2013-09-25 | 中冶南方工程技术有限公司 | Method for carrying out voltage-sharing bleeding on furnace top of blast furnace |
| CN102586518A (en) * | 2012-01-10 | 2012-07-18 | 中冶南方工程技术有限公司 | Method for carrying out voltage-sharing bleeding on furnace top of blast furnace by using nitrogen |
| CN102586520A (en) * | 2012-01-10 | 2012-07-18 | 中冶南方工程技术有限公司 | Method for carrying out voltage-sharing bleeding on furnace top of blast furnace |
| CN102888477A (en) * | 2012-09-28 | 2013-01-23 | 中冶南方工程技术有限公司 | Top even pressure gas recovery device and technology for blast furnace and technology |
| CN102925603A (en) * | 2012-11-05 | 2013-02-13 | 柳州钢铁股份有限公司 | Process and device for recycling pressure-equalizing diffusion gas at blast furnace top |
| CN102925603B (en) * | 2012-11-05 | 2015-06-03 | 柳州钢铁股份有限公司 | Process and device for recycling pressure-equalizing diffusion gas at blast furnace top |
| CN104263866A (en) * | 2014-09-28 | 2015-01-07 | 中冶华天南京工程技术有限公司 | System and process for purifying and utilizing equalized diffuse gas of blast furnace top charging bucket |
| CN106191353A (en) * | 2016-08-29 | 2016-12-07 | 北京首钢国际工程技术有限公司 | A kind of blast furnace top pressure-equalizing bleeding gas recovering device and using method thereof |
| CN106755671A (en) * | 2016-12-14 | 2017-05-31 | 四川德胜集团钒钛有限公司 | A kind of top gas handling process and its system |
| CN107326134A (en) * | 2017-06-17 | 2017-11-07 | 北京首钢国际工程技术有限公司 | The coal gas pressure-equalizing bleeding device and its application method of pressure vessel multistage dedusting |
| CN107201417A (en) * | 2017-07-18 | 2017-09-26 | 沈阳红杉科技有限公司 | A kind of full retracting device of blast furnace roof feed pot pressure-equalizing and discharging coal gas and recovery method |
| CN111334315A (en) * | 2020-03-31 | 2020-06-26 | 中冶焦耐(大连)工程技术有限公司 | Method for collecting overpressure diffused gas of coke oven gas |
| CN115058552A (en) * | 2022-05-27 | 2022-09-16 | 中冶南方工程技术有限公司 | Method for recovering pressure-equalizing coal gas of blast furnace charging bucket |
| CN115058552B (en) * | 2022-05-27 | 2023-11-21 | 中冶南方工程技术有限公司 | Method for recycling pressure equalizing gas of blast furnace tank |
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Free format text: CORRECT: INVENTOR; FROM: TANG LIJIE TANG QINGHUA YAO BO TO: WEI CHENGZHI TANG LIJIE TANG QINGHUA YAO BO |
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Application publication date: 20101124 |